Consider the scatterplot: unit pressure off 02 SL OL S0S0L- O unit pressure diff vs effectiveness -100 0 100 200 effectiveness The correlation coefficient between effectiveness and unit pressure diff is closest to: O-0.98031 0.41428 -0.69954 00.98048 O-0,41483 O-0.01014 4.9937 0799.49646 The regression line slope between effectiveness and unit pressure diff is closest to: O-0.04202 O-1.95677 1.68226 O-5.5391 The regression line y-intercept is closest to: 601.23937 O-99.73725

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